6302 ZZ Versatile Deep Groove Ball Bearing For Electric Motors and Automation | 15×42×13 mm
The 6302 ZZ is a versatile, single-row deep groove ball bearing engineered for reliable performance in a broad spectrum of industrial and automation applications. Featuring dual Z-type metal shields, this bearing provides effective protection against dust and solid contaminants while maintaining low frictional torque. With a 15 mm bore and a 13 mm width, it is a popular choice for electric motors, pumps, and automotive components where balanced load capacity and contamination resistance are essential for extended service life.
6302 ZZ Deep Groove Ball Bearing 15x42x13 mm | ISO 63 Series – Medium | Double Shielded
This precision bearing utilizes a robust deep groove raceway geometry, enabling stable high-speed performance up to 19,000 r/min (Grease). The 6302 ZZ is engineered to accommodate moderate radial loads as well as axial loads in both directions, making it exceptionally suited for applications in electric motors, factory automation, and agricultural machinery where consistent, low-friction operation is required.

Ideal for a diverse range of industrial and light-to-medium duty mechanical systems:
Precision-manufactured components and a rigid pressed steel cage ensure consistent, quiet operation with minimal vibration. With limiting speeds up to 19,000 r/min, this bearing supports stable performance in sensitive devices like electric motors and precision instruments where low noise is critical.
Conforming to the popular 63-series medium section, the 15×42×13 mm configuration delivers a dynamic load rating of 11.4 - 14.3 kN. This robust construction ensures reliable performance in applications where both radial and axial forces are present.
Double Z-type non-contact steel shields provide a reliable barrier against dust, dirt, and other airborne particulates from both sides. This design helps retain lubricant integrity and significantly extends the operational life of the bearing in harsh environments without introducing significant rotational drag.
| Bearing Type | Single Row Deep Groove Ball Bearing |
| ISO Dimension Series | 63 Series – Medium |
| Basic Designation | 6302 |
| Suffix | ZZ (Both sides with steel shields) |
| Bore Diameter (d) | 15 mm |
| Outer Diameter (D) | 42 mm |
| Width (B) | 13 mm |
| Material (Races & Balls) | Chrome Steel (GCr15 / SAE 52100) |
| Precision Class | ABEC 1 / ISO P0 (Standard); ABEC 3 Available |
| Cage Material | Pressed Steel |
| Dynamic Load Rating (Cʳ) | 11.4 - 14.3 kN |
| Static Load Rating (C₀ʳ) | 5.45 kN |
| Limiting Speed (Grease) | 17,000 - 19,000 r/min |
| Limiting Speed (Oil) | —— |
| Weight (approx.) | 0.082 - 0.083 kg |
Direct replacement for:
The 6302 ZZ is furnished with double Z-type steel shields as standard, delivering enhanced internal protection in dusty or debris-prone industrial conditions. For applications requiring a hermetic seal against moisture or finer contaminants, the double rubber-sealed variant (6302 2RS) is also available. For applications involving higher operating temperatures or shaft expansion, a C3 internal clearance variant (6302 ZZ C3) can be supplied.
"The 6302 ZZ is a versatile workhorse for electric motors and industrial drives, combining reliable load capacity with effective contamination protection for long-term, maintenance-free operation."
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Details
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Details
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Details
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Details
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Details
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